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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
Foster SC Stage 4 Kit works on both closed air box and open filter or aftermarket CAI systems
No drilling through the firewall
Increases the in-cabin rotor sound by up to 25%
Drilling through the firewall required (bit provided)
Kenne Bell
SVT Raptor 2010-2018 WHIPPLE STAGE 4 Inlet path WHINE MOD KIT 100% WHINE INCREASE SKU 190 other Foster SC Stage 4 KitIncreases the in cabin rotor sound by up to 100% Drilling through the firewall required (bit provided) Sealed sound tube with special diaphragm cap installed on end of sound tube inside cabin. Connects from inlet MAF housing induction pipe through the drilled firewall location. No Stock sound tube required.
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